Finish the version history for 1.3.0-beta1.
Finish the version history for 1.3.0-beta1.

nodatime/nodatime,zaccharles/nodatime,jskeet/nodatime,nodatime/nodatime,malcolmr/nodatime,jskeet/nodatime,zaccharles/nodatime,malcolmr/nodatime,malcolmr/nodatime,BenJenkinson/nodatime,zaccharles/nodatime,BenJenkinson/nodatime,malcolmr/nodatime,zaccharles/nodatime,zaccharles/nodatime,zaccharles/nodatime